Luo Yanxing always felt that she and Liu Tong were two parallel lines, endlessly parallel and never intersecting.
Until the two of them became roommates and spent time together, their heartbeat took root and grew into a towering tree.
"Once we meet, we are forever apart"
——Adapted from a true story
Purpose: Explore the mysteries of mathematics, appreciate the beauty of numbers, swim in the world of geometry, and lead the future of the world